"Changing Times, Changing Spaces: The South Dakota Stores of J. C. Penney"
https://www.sdhspress.com/journal/south-dakota-history-40-4/changing-times-changing-spaces-the-south-dakota-stores-of-j-c-penney
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"Changing Times, Changing Spaces: The South Dakota Stores of J. C. Penney"
